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Implemented CONTEXT_DEBUG_REGISTERS on FreeBSD.

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This commit is contained in:
Pierre Beyssac 2002-08-14 20:59:03 +00:00 committed by Alexandre Julliard
parent 714156d7ab
commit 3528755046
1 changed files with 32 additions and 2 deletions
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34
server/context_i386.c
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@ -68,6 +68,14 @@
#define PTRACE_SETFPREGS PT_SETFPREGS #define PTRACE_SETFPREGS PT_SETFPREGS
#endif #endif
#ifdef PT_GETDBREGS
#define PTRACE_GETDBREGS PT_GETDBREGS
#endif
#ifdef PT_SETDBREGS
#define PTRACE_SETDBREGS PT_SETDBREGS
#endif
#ifdef linux #ifdef linux
#ifdef HAVE_SYS_USER_H #ifdef HAVE_SYS_USER_H
# include <sys/user.h> # include <sys/user.h>
@ -361,7 +369,17 @@ static void get_thread_context( struct thread *thread, unsigned int flags, CONTE
} }
if (flags & CONTEXT_DEBUG_REGISTERS) if (flags & CONTEXT_DEBUG_REGISTERS)
{ {
/* FIXME: How is this done on FreeBSD? */ #ifdef PTRACE_GETDBREGS
struct dbreg dbregs;
if (ptrace( PTRACE_GETDBREGS, pid, (caddr_t) &dbregs, 0 ) == -1)
goto error;
context->Dr0 = dbregs.dr0;
context->Dr1 = dbregs.dr1;
context->Dr2 = dbregs.dr2;
context->Dr3 = dbregs.dr3;
context->Dr6 = dbregs.dr6;
context->Dr7 = dbregs.dr7;
#endif
} }
if (flags & CONTEXT_FLOATING_POINT) if (flags & CONTEXT_FLOATING_POINT)
{ {
@ -417,7 +435,19 @@ static void set_thread_context( struct thread *thread, unsigned int flags, const
} }
if (flags & CONTEXT_DEBUG_REGISTERS) if (flags & CONTEXT_DEBUG_REGISTERS)
{ {
/* FIXME: How is this done on FreeBSD? */ #ifdef PTRACE_SETDBREGS
struct dbreg dbregs;
dbregs.dr0 = context->Dr0;
dbregs.dr1 = context->Dr1;
dbregs.dr2 = context->Dr2;
dbregs.dr3 = context->Dr3;
dbregs.dr4 = 0;
dbregs.dr5 = 0;
dbregs.dr6 = context->Dr6;
dbregs.dr7 = context->Dr7;
if (ptrace( PTRACE_SETDBREGS, pid, (caddr_t) &dbregs, 0 ) == -1)
goto error;
#endif
} }
if (flags & CONTEXT_FLOATING_POINT) if (flags & CONTEXT_FLOATING_POINT)
{ {